Search results

… which leads to the acidification of lakes and ponds, or mercury which contaminates fish and eventually harms … regions. Elevated levels of some metals, such as lead and mercury, are also found around many cities, particularly if … the metals of greatest concern for human health are lead, mercury, arsenic and cadmium. Many other metals – including …

… primarily to persistent organic pollutants (POPs) (s.a. mercury and cadmium), also poses especially significant … had for many decades released heavy metal-laden slag and mercury into the Columbia River, which then flowed down-river …

… residues, metals (e.g. arsenic, cadmium, cobalt and/or mercury) and, at times, naturally occurring radioactive …